31 Other Operations On Larynx And Trachea 
31.0 Injection of larynx convert 31.0 to ICD-10-PCS 31.1 Temporary tracheostomy convert 31.1 to ICD-10-PCS 31.2 Permanent Tracheostomy 
31.21 Mediastinal tracheostomy convert 31.21 to ICD-10-PCS
31.29 Other permanent tracheostomy convert 31.29 to ICD-10-PCS 31.3 Other incision of larynx or trachea convert 31.3 to ICD-10-PCS 31.4 Diagnostic Procedures On Larynx And Trachea 31.41 Tracheoscopy through artificial stoma convert 31.41 to ICD-10-PCS 31.42 Laryngoscopy and other tracheoscopy convert 31.42 to ICD-10-PCS 31.43 Closed [endoscopic] biopsy of larynx convert 31.43 to ICD-10-PCS 31.44 Closed [endoscopic] biopsy of trachea convert 31.44 to ICD-10-PCS 31.45 Open biopsy of larynx or trachea convert 31.45 to ICD-10-PCS 31.48 Other diagnostic procedures on larynx convert 31.48 to ICD-10-PCS 31.49 Other diagnostic procedures on trachea convert 31.49 to ICD-10-PCS 31.5 Local excision or destruction of lesion or tissue of trachea convert 31.5 to ICD-10-PCS 31.6 Repair Of Larynx 31.61 Suture of laceration of larynx convert 31.61 to ICD-10-PCS 31.62 Closure of fistula of larynx convert 31.62 to ICD-10-PCS 31.63 Revision of laryngostomy convert 31.63 to ICD-10-PCS 31.64 Repair of laryngeal fracture convert 31.64 to ICD-10-PCS 31.69 Other repair of larynx convert 31.69 to ICD-10-PCS 31.7 Repair And Plastic Operations On Trachea 31.71 Suture of laceration of trachea convert 31.71 to ICD-10-PCS 31.72 Closure of external fistula of trachea convert 31.72 to ICD-10-PCS 31.73 Closure of other fistula of trachea convert 31.73 to ICD-10-PCS 31.74 Revision of tracheostomy convert 31.74 to ICD-10-PCS 31.75 Reconstruction of trachea and construction of artificial larynx convert 31.75 to ICD-10-PCS 31.79 Other repair and plastic operations on trachea convert 31.79 to ICD-10-PCS 31.9 Other Operations On Larynx And Trachea 
31.91 Division of laryngeal nerve convert 31.91 to ICD-10-PCS 31.92 Lysis of adhesions of trachea or larynx convert 31.92 to ICD-10-PCS 31.93 Replacement of laryngeal or tracheal stent convert 31.93 to ICD-10-PCS 31.94 Injection of locally-acting therapeutic substance into trachea convert 31.94 to ICD-10-PCS 31.95 Tracheoesophageal fistulization convert 31.95 to ICD-10-PCS 31.98 Other operations on larynx convert 31.98 to ICD-10-PCS 31.99 Other operations on trachea convert 31.99 to ICD-10-PCS